Answer:
Step-by-step explanation:
you do reverse so 1,721 - 999 = k
1,721 - 999 = 722
so k = 722
all u do is see what looked right and add
Answer:
z = 20
Step-by-step explanation:
subtract 19z from 20z, and add 8 to 12. you will be left with 20 = 1z. Divide 1 by 20 and you will have Xz =20.
I hope this helps!
By adding all of the numbers on the the outside lines
Volume of prism = 3 1/2 x 3 1/2 x 7 = 85 3/4 cubic inches
90 - 85 3/4 = 4 1/4 ( 4.25) cubic inches difference
